package com.lsh.netty.echo.mydelimiterbasedframedecoder;

import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.channel.ChannelHandlerAdapter;
import io.netty.channel.ChannelHandlerContext;

/**
 * @author ：LiuShihao
 * @date ：Created in 2021/4/6 12:59 下午
 * @desc ：
 */
public class EchoServerHandler extends ChannelHandlerAdapter {
    int counter  = 0;

    @Override
    public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
        String body = (String) msg;
        System.out.println("This is "+ ++counter +"times receive client:["+body+"]");
        body = body+"$_";
        ByteBuf echo = Unpooled.copiedBuffer(body.getBytes());
        ctx.writeAndFlush(echo);

    }

    @Override
    public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {

        cause.printStackTrace();
        //发生异常，关闭链路；
        ctx.close();


    }
}
